163421414 has 16 divisors (see below), whose sum is σ = 270129552. Its totient is φ = 73670688.

The previous prime is 163421407. The next prime is 163421437. The reversal of 163421414 is 414124361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71969 + ... + 74204.

It is an arithmetic number, because the mean of its divisors is an integer number (16883097).

Almost surely, 2^163421414 is an apocalyptic number.

163421414 is a deficient number, since it is larger than the sum of its proper divisors (106708138).

163421414 is a wasteful number, since it uses less digits than its factorization.

163421414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146231.

The product of its digits is 2304, while the sum is 26.

The square root of 163421414 is about 12783.6385274303. The cubic root of 163421414 is about 546.7259081314.

Adding to 163421414 its reverse (414124361), we get a palindrome (577545775).

The spelling of 163421414 in words is "one hundred sixty-three million, four hundred twenty-one thousand, four hundred fourteen".